Nickel-chromium Alloys Wire Cr20Ni30

Overview

Cr20Ni30 nickel chromium alloy round wire is a versatile heating material known for its superior heat resistance and mechanical strength. It is commonly used in heating coils, resistors, and high-temperature industrial equipment, providing consistent performance and long service life.

Limiting Chemical Composition, %

Chromium(Cr)..................................................................................................................................20.0

Nickel(Ni).........................................................................................................................................30.0

Balance Iron (Fe) & Trace Elements

Main Properties

Material Characteristics

Key Advantages

● Rapid Thermal Response:

High resistivity enables fast heating, improving energy efficiency by 15% compared to similar alloys.

● Balanced Corrosion Resistance:

Optimized Cr/Ni ratio (20/30) provides oxidation and sulfurization resistance in harsh industrial atmospheres

● Mechanical Stability:

Superior ductility and thermal shock resistance minimize fracture risks during fabrication and operation.

Typical Applications

● Industrial Heating Systems:

Spiral heating wires for hot air circulation furnaces, powder metallurgy sintering furnaces, and industrial ovens.

● Household Appliance Components:

Heating coils and resistance wires for water heaters, electric ovens, and coffee machines.

● Chemical Heating Systems:

Heating elements for reactors and pipeline trace heating in corrosive gas environments.

Material Characteristics